Tape unit control system



April 4, 1961 D. E. ECKDAHL Em 2,978,685

TAPE UNIT CONTROL SYSTEM Filed Feb. 14, 1955 26 Sheets-Sheet l APril 4, 1961 D. E. ECKDAHL ETAL 2,978,685

TAPE UNIT CONTROL SYSTEM 26 Sheets-Sheet 2 Filed Feb. 14, 1955 April 4, 1961 D, E, ECKDAHL ErAL 2,978,685

TAPE UNIT CONTROL SYSTEM 26 Sheets-Sheet 5 Filed Feb. 14, 1955 sehn QQQQQ I .Toh/7 lc. Dona April 4, 1961 D, E. ECKDAHL ETAL TAPE UNIT CONTROL SYSTEM Filed Feb. 14, 1955 26 Sheets-Sheet 4 April 4, 1961 Filed Feb. 14, 1955 D. E. ECKDAHL ETAL TAPE UNIT CONTROL SYSTEM fig# 26 Sheets-Sheet 5 April 4, 1961 D. E. ECKDAHL ET AL 2,978,685

TAPE UNIT CONTROL SYSTEM 26 Sheets-Sheet 6 Filed Feb. 14, 1955 kun.. uhr inv.. wwwnww u Mahi April 4, 1961 D. E. ECKDAHI. ETAL 2,973,685

TAPE UNIT CONTROL SYSTEM 26 Sheets-Sheet 7 Filed Feb. 14, 1955 MSG April 4 1961 D. E. ECKDAHL ETAL 2,978,685

TAPE UNIT CONTROL SYSTEM 26 Sheets-Sheet 8 Filed Feb. 14, 1955 MNHN@ April 4, 1961 D. E. ECKDAHL :TAL 2,978,685

TAPE UNIT CONTROL SYSTEM 26 Sheets-Sheet 9 Filed Feb. 14, 1955 April 4, 1961 D. E. ECKDAHL ETAL 2,978,685

TAPE UNIT CONTROL SYSTEM 26 Sheets-Sheet 10 Filed Feb. 14. 1955 April 4, 1961 D. E. ECKDAHL ET AL 2,978,685

TAPE UNIT CONTROL SYSTEM 26 Sheets-Sheet 11 Filed Feb. 14, 1955 April 4, 1961 Filed Feb. 14, 1955 D. E. ECKDAHL ET AL TAPE UNIT CONTROL SYSTEM 26 Sheets-Sheet 12 April 4, 1961 D. E. ECKDAHL ET AL TAPE UNIT CONTROL SYSTEM Filed Feb. 14. 1955 geg. 16a

26 Sheets-Sheet 13 [raar/an Tape April 4, 1961 D. E. EcKDAHl. ET AL 2,978,685

TAPE UNIT CONTROL SYSTEM Filed Feb. 14, 1955 26 Sheets-Sheet 14 #544 fac/4 para *662 *673 cf, i. 245

April 4, 1961 Dv E. EcKDAl-n. ET AL 2,978,685

TAPE UNIT CONTROL SYSTEM Filed Feb. 14, 1955 26 Sheets-Sheet 15 [Jgid zzn racfapzosZ/ZJ f L? A 522 A; #2 fj H2 J: wf/M Pff? J5 y 26 Sheets-Sheet l 6 D. E. ECKDAHL. ETAL TAPE UNIT CONTROL SYSTEM April 4, 1961 Filed Feb. 14, 1955 b @ab C E N "Qu MV. MN NN Nvo w @n April 4, 1961 D. E. ECKDAHL ETAL 2,978,685

TAPE UNIT CONTROL SYSTEM 26 Sheets-Sheet 17 Filed Feb. 14. 1955 April 4, 1961 D. E. ECKDAHL ET AL TAPE UNIT CONTROL SYSTEM Filed Feb. 14, 1955 PKIG 26 Sheets-Sheet 18 way/@J April 4, 1961 D. E. ECKDAHL ET AL 2,978,685

TAPE UNIT CONTROL SYSTEM Filed Feb. 14, 1955 26 Sheets-Sheet 19 C n rL April 4, 1961 Filed Feb. 14. 1955 D. E. ECKDAHL ETAL TAPE UNIT CONTROL SYSTEM 26 Sheets-Sheet 2O I/gg. 25; 

